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Frame member and attached membranesRelated Patent Categories: Beds, Ground Mat, Having Head RestFrame member and attached membranes description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20050241066, Frame member and attached membranes. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS [0001] This patent application claims the benefit of U.S. application Ser. No. 10/635,454, entitled "Frame Member and Attached Membranes" filed Aug. 7, 2003, which is a Continuation of U.S. application Ser. No. 10/043,279, entitled "Towel-Mat with a frame Member and Removably Attached Membranes," filed on Jan. 14, 2002, which is a continuation of U.S. application Ser. No. 09/533,963 entitled "Towel-Mat with a Frame Member and Removably Attached Membranes," filed on Aug. 15, 2000 which is a Continuation of U.S. application Ser. No. 09/229,968, entitled "Towel-Mat with a Frame Member and Removably Attached Membranes," filed on Jan. 14, 1999 which is a Continuation of U.S. application Ser. No. 09/081,134, entitled "A Self-Opening Towel," filed on May 19, 1998 (now U.S. Pat. No. 6,170,100); the disclosures of which are incorporated herein by reference. [0002] This patent application is related to commonly assigned U.S. patent application Ser. No. 09/229,966 entitled, "Collapsible Frame," filed on Jan. 14, 1999 and which is incorporated herein by reference. BACKGROUND OF THE INVENTION [0003] The present invention generally relates to a towel-mat having a frame member and removably attached membranes. [0004] Conventional beach towels and picnic blankets are typically used, for example, to separate a person from the ground (e.g., beach sand) and/or to line a chair. Difficulty exists, however, in maintaining the shape of these items when being used for such purposes. For example, when a beach towel is used to separate a person from the beach sand, the towel will typically lose its spread out shape and converge towards the person. [0005] Several attempts have been tried to remedy these problems with towels. For example, U.S. Pat. No. 3,862,876, issued to Graves, discloses one attempt to maintain the desired shape of a towel. The towel in Graves has continuous flexible weights secured along two opposed edges of the towel. U.S. Pat. No. 4,709,430, issued to Nicoll, discloses a beach blanket having a non-metallic tube filled with a liquid weight such as water located at the perimeter of the blanket. [0006] These known towels, however, can be difficult to arrange when configured to have a large size. These towels can be cumbersome to arrange for separating a person from the beach sand, to line a chair, and to pack for removal. SUMMARY OF THE INVENTION [0007] A towel-mat includes a frame member being formed from a flexible twistable material, a first membrane and a second membrane. The first membrane has a perimeter portion to which a frame member is fixedly attached. The second membrane has a perimeter portion. The second membrane is removably attachable to the first membrane. [0008] In one embodiment, the second membrane is removably attachable to the first membrane along the perimeter portion of the second membrane and along the perimeter portion of the first membrane. [0009] In another embodiment, the perimeter portion of the second membrane includes an extended portion. The extended portion and the perimeter portion of the second membrane forms a perimeter pocket adapted to receive the first membrane. [0010] In yet another embodiment, the towel-mat further comprises a fastener having a first portion and a second portion. The first portion of the fastener is attached to the first membrane, and the second portion of the fastener is attached to the second membrane. The fastener is adapted to removably attach the first membrane to the second membrane. BRIEF DESCRIPTION OF THE DRAWINGS [0011] FIG. 1 shows a top view of a top membrane of a towel-mat according to an embodiment of the present invention. [0012] FIG. 2 shows a side view of the top membrane shown in FIG. 1. [0013] FIG. 3 shows a bottom view of the top membrane shown in FIGS. 1 and 2. [0014] FIG. 4 shows a bottom or top view of the bottom membrane for attachment to the top membrane shown in FIGS. 1 through 3. [0015] FIG. 5 shows a cross-sectional view of the top membrane shown in FIG. 1 along line A and the bottom membrane inserted into the perimeter pocket of the top membrane. [0016] FIG. 6 illustrates one manner in which the membranes of the towel-mat shown in FIGS. 1-5 can be constructed, according to an embodiment of the present invention. [0017] FIG. 7 illustrates an alternative manner in which the membranes of a towel-mat can be constructed according to another embodiment of the present invention. [0018] FIG. 8 illustrates yet another manner in which the membranes of the towel-mat can be constructed according to another embodiment of the present invention. [0019] FIG. 9 illustrates a top view of a towel-mat with a frame member and removably attached membranes according to another embodiment of the present invention. [0020] FIG. 10 illustrates a top view of a towel-mat with a frame member and removably attached membranes according to another embodiment of the present invention. Continue reading about Frame member and attached membranes... Full patent description for Frame member and attached membranes Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Frame member and attached membranes patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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